Sophia Global Compatible Ink Cartridge Replacement for PGI-72 (1 Chroma Optimizer, 1 Photo Black, 1 Matte Black, 1 Gray) Up to 510 pages for the photo black, 1640 pages for the matte black, 165 4"x6" photos for the gray, 165 pages for the chroma optimizer ISO 9001 Quality Certified Manufacturing Process These cartridges have never been used and are designed to provide equivalent print life to the original brand name cartridges. The ink is formulated to provide excellent color matching for true-to-life photos and crisp text. The cartridges come with chips and are engineered to fit exactly into your printer.